Balloon anchored cannula



FIG. 1 is a perspective view of a balloon anchored cannula, showing our new design;

FIG. 2 is a left elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view.

The broken lines showing in FIGS. 1–7 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a balloon anchored cannula, as shown. 